TM 9-2350-247-10PREVENTIVE MAINTENANCE CHECKS AND SERVICES  Continued 0057 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:62WeeklyBatteriesCAUTIONIn cold weather, the batteries must becharged immediately after adding water sothe water will combine with electrolyteand not freeze.NOTEThe M548A3 has a second set of batterieson the right side under the passenger seat.a. Check that the electrolyte is at the right leveland batteries are in good shape.Batteriesunserviceable.b. Take off caps and make sure the electrolyte is atthe right level. Fill if the level is low withdistilled water.c. Check that cables and terminals are clean andthe connections are tight.Any terminalor cabledamaged orloose.d. Check that the hold down clamps and retainersare tight.Damage toretainers ormissing clampsand retainers.0057 00-94